YANKTON, SD 57078 Weather Forecast & Current Conditions

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57078 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
YANKTON, SD Current Weather
5:56 PM CDT SEP 5, 2026
Clear 90°F
Feels Like:	98°F
Dewpoint:	72°F
Rel. Hum.:	56%
Visibility:	10 miles
Wind:	ESE at 9 mph
Pressure:	29.92 inches
Last 72 hours
Local Area Snow Depth
South Dakota Current Weather
South Dakota MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

57078 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	YANKTON, SD 57078 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Partly cloudy this evening, then becoming mostly cloudy. Lows in the lower 70s. Southeast winds 5 to 10 mph. Heat index values in the upper 90s early this evening.

SUNDAY
Partly sunny with a chance of thunderstorms. Showers likely, mainly in the morning. Locally heavy rainfall possible in the morning. Humid with highs in the mid 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

SUNDAY NIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Humid with lows around 70. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

LABOR DAY
Mostly sunny and breezy with highs in the lower 90s. Southeast winds 15 to 25 mph with gusts up to 35 mph. Heat index values in the upper 90s in the afternoon.

MONDAY NIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the lower 70s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.

TUESDAY
Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.

TUESDAY NIGHT
Mostly clear. Cooler with lows in the lower 60s.

WEDNESDAY
Sunny. Highs in the lower 80s.

WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.

THURSDAY
Mostly sunny. Highs in the mid 80s.

THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

FRIDAY
Mostly sunny. Highs in the upper 80s.

FRIDAY NIGHT
Mostly clear. Lows in the lower 60s.

57078 WEATHER SATELLITE LOOPS

Visible Weather Satellite
YANKTON, SD 57078

Infrared Weather Satellite
YANKTON, SD 57078

57078 WEATHER RADAR LOOP

NEXRAD Weather Radar
YANKTON, SD 57078

MOS COMPUTER WEATHER FORECAST

YANKTON, SD 3 hourly weather forecast

weather forecast created 5:00 AM PDT 9/ 5/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
5 SEP 2026

1 PM

86°

93°

Partly Cloudy

8%

0% Thunder
( 7% severe)

SE 12

65%

73°

High 91°

4 PM

90°

98°

Clear

SSE 13

56%

72°

Partly Cloudy

7 PM

86°

92°

Partly Cloudy

7%

0% Thunder
( 16% severe)

SE 9

63%

72°

10 PM

78°

80°

Partly Cloudy

ESE 8

85%

73°

Sunday
6 SEP 2026

1 AM

75°

75°

Mostly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 17% severe)

ESE 7

90%

72°

Low 70°

4 AM

74°

74°

Mostly Cloudy

SE 7

93%

72°

High 88°

7 AM

72°

72°

Mostly Cloudy

29%
RAIN
.1–.25 in

0% Thunder
( 28% severe)

ESE 7

97%

71°

Mostly Cloudy

Chance of Rain

10 AM

77°

79°

Mostly Cloudy

ESE 9

82%

71°

1 PM

82°

87°

Mostly Cloudy

32%
RAIN
***

0% Thunder
( 33% severe)

ESE 13

72%

72°

4 PM

85°

90°

Mostly Cloudy

SE 14

63%

71°

7 PM

82°

87°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 19% severe)

SE 12

72%

72°

10 PM

75°

75°

Mostly Cloudy

ESE 13

90%

72°

Monday
7 SEP 2026

1 AM

73°

73°

Mostly Cloudy

40%
RAIN
***

0% Thunder
( 18% severe)

SE 12

93%

71°

Low 69°

4 AM

73°

73°

Mostly Cloudy

SSE 13

90%

70°

High 90°

7 AM

72°

72°

Mostly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 12% severe)

SE 14

90%

69°

Mostly Cloudy

Breezy

10 AM

76°

77°

Mostly Cloudy

SSE 17

82%

70°

1 PM

85°

90°

Partly Cloudy

6%

0% Thunder
( 12% severe)

SSE 20

61%

70°

4 PM

90°

96°

Partly Cloudy

SSE 21

52%

70°

7 PM

86°

91°

Mostly Cloudy

SSE 18

59%

70°


YANKTON, SD extended weather forecast
Tuesday 8 SEP 2026	Wednesday 9 SEP 2026	Thursday 10 SEP 2026	Friday 11 SEP 2026	Saturday 12 SEP 2026
Low 71°	Low 55°	Low 58°	Low 58°	Low 61°
High 87°	High 81°	High 81°	High 79°	High 77°

Mostly Cloudy 45% Rain	Clear 15% Rain	Partly Cloudy 28% Rain	Partly Cloudy 25% Rain	Partly Cloudy 28% Rain

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